CN115637069A - 55-thread UV laser roller coating white primer and preparation method thereof - Google Patents
55-thread UV laser roller coating white primer and preparation method thereof Download PDFInfo
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- CN115637069A CN115637069A CN202211318661.XA CN202211318661A CN115637069A CN 115637069 A CN115637069 A CN 115637069A CN 202211318661 A CN202211318661 A CN 202211318661A CN 115637069 A CN115637069 A CN 115637069A
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- acrylate
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- 238000007761 roller coating Methods 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title abstract description 12
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 76
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims abstract description 42
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000002270 dispersing agent Substances 0.000 claims abstract description 36
- 239000000203 mixture Substances 0.000 claims abstract description 32
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 26
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims abstract description 25
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims abstract description 25
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 claims abstract description 22
- WDHYRUBXLGOLKR-UHFFFAOYSA-N phosphoric acid;prop-2-enoic acid Chemical compound OC(=O)C=C.OP(O)(O)=O WDHYRUBXLGOLKR-UHFFFAOYSA-N 0.000 claims abstract description 21
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000009736 wetting Methods 0.000 claims abstract description 21
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 20
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000006254 rheological additive Substances 0.000 claims abstract description 17
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 claims abstract description 16
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 239000011256 inorganic filler Substances 0.000 claims abstract description 9
- 229910003475 inorganic filler Inorganic materials 0.000 claims abstract description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 24
- 239000011248 coating agent Substances 0.000 claims description 18
- 238000000576 coating method Methods 0.000 claims description 18
- YDKNBNOOCSNPNS-UHFFFAOYSA-N methyl 1,3-benzoxazole-2-carboxylate Chemical compound C1=CC=C2OC(C(=O)OC)=NC2=C1 YDKNBNOOCSNPNS-UHFFFAOYSA-N 0.000 claims description 17
- 239000003973 paint Substances 0.000 claims description 17
- QNODIIQQMGDSEF-UHFFFAOYSA-N (1-hydroxycyclohexyl)-phenylmethanone Chemical compound C=1C=CC=CC=1C(=O)C1(O)CCCCC1 QNODIIQQMGDSEF-UHFFFAOYSA-N 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 12
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 239000004408 titanium dioxide Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 229910021485 fumed silica Inorganic materials 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 230000037452 priming Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 14
- 238000005491 wire drawing Methods 0.000 abstract description 13
- 239000000178 monomer Substances 0.000 abstract description 12
- -1 photoinitiator Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 32
- FIHBHSQYSYVZQE-UHFFFAOYSA-N 6-prop-2-enoyloxyhexyl prop-2-enoate Chemical compound C=CC(=O)OCCCCCCOC(=O)C=C FIHBHSQYSYVZQE-UHFFFAOYSA-N 0.000 description 9
- 102100026735 Coagulation factor VIII Human genes 0.000 description 9
- 101000911390 Homo sapiens Coagulation factor VIII Proteins 0.000 description 9
- ZDHCZVWCTKTBRY-UHFFFAOYSA-N omega-Hydroxydodecanoic acid Natural products OCCCCCCCCCCCC(O)=O ZDHCZVWCTKTBRY-UHFFFAOYSA-N 0.000 description 9
- 238000012360 testing method Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- VOBUAPTXJKMNCT-UHFFFAOYSA-N 1-prop-2-enoyloxyhexyl prop-2-enoate Chemical compound CCCCCC(OC(=O)C=C)OC(=O)C=C VOBUAPTXJKMNCT-UHFFFAOYSA-N 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000001723 curing Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- ZDQNWDNMNKSMHI-UHFFFAOYSA-N 1-[2-(2-prop-2-enoyloxypropoxy)propoxy]propan-2-yl prop-2-enoate Chemical compound C=CC(=O)OC(C)COC(C)COCC(C)OC(=O)C=C ZDQNWDNMNKSMHI-UHFFFAOYSA-N 0.000 description 3
- 239000013530 defoamer Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000004383 yellowing Methods 0.000 description 3
- SENCTEJGLSLEDY-UHFFFAOYSA-N C1C(C)O1.C(C=C)(=O)OCC(C)(COC(C=C)=O)C Chemical compound C1C(C)O1.C(C=C)(=O)OCC(C)(COC(C=C)=O)C SENCTEJGLSLEDY-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000016 photochemical curing Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- MXFQRSUWYYSPOC-UHFFFAOYSA-N (2,2-dimethyl-3-prop-2-enoyloxypropyl) prop-2-enoate Chemical compound C=CC(=O)OCC(C)(C)COC(=O)C=C MXFQRSUWYYSPOC-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Paints Or Removers (AREA)
- Macromonomer-Based Addition Polymer (AREA)
Abstract
The application relates to the technical field of UV primer preparation, in particular to a 55-thread UV laser roller coating white primer and a preparation method thereof. A55-thread UV laser roller coating white primer is mainly prepared from the following raw materials in parts by weight: acrylic resin composition, wetting dispersant, high molecular dispersant, defoaming agent, acrylic leveling agent, rheological additive, photoinitiator, inorganic filler and hydroxyethyl methacrylate; the acrylic resin composition mainly comprises bisphenol A epoxy acrylate, difunctional urethane acrylate resin, special modified acrylate resin, trimethylolpropane triacrylate, phosphate acrylate and phosphate acrylate modified acrylic monomers. This application mainly carries out the roller coat to the product of dull and stereotyped timber and big board in the cabinet, and it is good to have outstanding construction wide tolerance, the levelling nature is better, and the roller coat does not have the wire drawing, tends to mirror surface effect performance.
Description
Technical Field
The application relates to the technical field of UV primer preparation, in particular to a 55-thread UV laser roller coating white primer and a preparation method thereof.
Background
The UV roller coating process is used in the production process of panel furniture enterprises, so that the production effect can be greatly improved. According to investigation, 80% of furniture enterprises have roller coating equipment, and the rest 20% of furniture enterprises without equipment have different outsourcing to the friend processing and manufacturing with UV equipment. The UV large plates which are well processed by UV roller coating and coating are cut and assembled into different furniture, which is a developed mature process flow. The roll coating effect of the UV primer determines the finish effect, and the fullness, leveling property and yellowing resistance of the primer are the products required by furniture factories.
The common roller has poor fullness and poor flatness, which brings troubles to polishing, and the problem can be solved by using UV laser roller to coat white primer. The UV laser roller is used for engraving a thread (also called a line) on the rubber roller by laser, and the number of the engraved lines per 1cm of length is divided into 45 threads, 55 threads, 65 threads and the like.
45 threads use primer, 65 threads use finish paint, and after the primer is coated with 45-thread laser, a wet film can quickly wet the surface of a base material, so that the aim of increasing the coating amount of a paint film and improving the fullness of the paint film is fulfilled.
The 55 thread white UV laser roller coating primer prepared by the method has the advantages of environmental protection, no toxicity, high mechanized construction degree, high-efficiency curing, good decoration and physical properties and the like. However, in view of the particularity of photocuring, the paint is easy to cause more problems and defects in the construction and curing process, different construction modes have different requirements on the paint, and the development of a finish paint suitable for 55-thread laser construction is very necessary and valuable.
At present, 55 thread white primer developed and used for a 55 thread laser roller is not seen in the market, construction tests and experiments are performed in some enterprises, but mass production is not formed yet, and the difficulties existing in the related technology are mainly reflected in the product defects of construction stability, overall effect and physical performance.
Disclosure of Invention
In order to solve the technical problem, the application provides a 55-thread UV laser roller coating white primer and a preparation method thereof.
In a first aspect, the application provides a 55-thread UV laser roller coating white primer, which is realized by the following technical scheme:
a55-thread UV laser roller coating white primer is mainly prepared from the following raw materials in parts by weight: 48-52 parts of acrylic resin composition, 0.4-0.6 part of wetting dispersant, 0.4-0.6 part of macromolecular dispersant, 0.08-0.12 part of defoaming agent, 0.3-0.35 part of acrylic leveling agent, 0.08-0.12 part of rheological additive, 4.4-4.6 parts of photoinitiator, 38-42 parts of inorganic filler and 3.2-3.6 parts of hydroxyethyl methacrylate; the acrylic resin composition mainly comprises bisphenol A epoxy acrylate SM6105-80D, difunctional urethane acrylate resin CR90156, special modified acrylate resin LT-4036, trimethylolpropane triacrylate, phosphate acrylate and propoxylated neopentyl glycol diacrylate.
When the main resin adopted by the paint is the specially modified acrylate resin LT-4036 and the wettability polyester acrylate resin CR90156, the paint has extremely strong dynamic fluidity and paint film fullness, and the epoxy acrylic resin SM6105-80D is used, so that the curing speed and the toughness of the whole paint film are improved. The method comprises the steps of adopting a propylene oxide neopentyl glycol diacrylate PO-NPGDA monomer, controlling the viscosity to be 1600 +/-100mp.s/25 ℃, testing the dynamic surface tension to be 29.3mN.m < -1 >, feeding the monomer to a laser roller coater, controlling the coating weight to be 35g/m < 2 > -45/m < 2 >, and endowing the monomer with the advantages of good construction tolerance, good leveling property and no wire drawing during roller coating. The monomer hydroxyethyl methacrylate in the application has strong diluting capability, is favorable for construction, and the acrylic acid containing hydroxyl is used for assisting in improving the adhesive force. To sum up, this application mainly carries out the roller coat to the product of dull and stereotyped timber and big board in the cabinet, and it is good to have excellent construction wide-tolerance, leveling nature is better, and the roller coat does not have the wire drawing, tends to mirror surface effect performance.
Preferably, the acrylic resin composition is composed of bisphenol A epoxy acrylate SM6105-80D, difunctional urethane acrylate resin CR90156, special modified acrylate resin LT-4036, trimethylolpropane triacrylate TMPTA, phosphate acrylate HC5110 and propoxylated neopentyl glycol diacrylate PO-NPGDA.
In the application, the main resin system is added into a PO-NPGDA circulation test for roller coating without wire drawing, and occasionally the wire drawing phenomenon occurs in an HDDA circulation test, so that the integral roller coating without wire drawing effect can be improved by optimizing the acrylic resin composition.
Preferably, the mass ratio of the bisphenol A type epoxy acrylate SM6105-80D, the difunctional urethane acrylate resin CR90156, the special modified acrylate resin LT-4036, the trimethylolpropane triacrylate TMPTA, the phosphate acrylate HC5110 and the propoxylated neopentyl glycol diacrylate PO-NPGDA is (14-30): (20-32): (6-14): 10:1:30.
by adopting the technical scheme, the construction latitude and the performance universality of the primer are further improved, the problems of various environments, temperatures, processes and the like in the field are solved, and the fullness, leveling property, no wiredrawing in roller coating and mirror effect trend of the primer can be perfectly solved.
Preferably, the mass ratio of the bisphenol A type epoxy acrylate SM6105-80D, the difunctional urethane acrylate resin CR90156, the special modified acrylate resin LT-4036, the trimethylolpropane triacrylate TMPTA, the phosphate acrylate HC5110 and the propoxylated neopentyl glycol diacrylate PO-NPGDA is (14-24): (30-32): (6-14): 10:1:30.
by adopting the technical scheme, the construction latitude, the performance universality and the reasons of various environments, temperatures, processes and the like aiming at the site are further improved, and the problems of fullness, leveling property, no wiredrawing in roller coating and tendency to mirror surface effect of the primer can be perfectly solved.
Preferably, the mass ratio of the bisphenol A type epoxy acrylate SM6105-80D, the difunctional urethane acrylate resin CR90156, the special modified acrylate resin LT-4036, the trimethylolpropane triacrylate TMPTA, the phosphate acrylate HC5110 and the propoxylated neopentyl glycol diacrylate PO-NPGDA is 14:32:14:10:1:30.
by adopting the technical scheme, the construction latitude, the performance universality and the reasons of various environments, temperatures, processes and the like aiming at the site are further improved, and the problems of fullness, leveling property, no wiredrawing in roller coating and tendency to mirror surface effect of the primer can be perfectly solved.
Preferably, the photoinitiator is composed of a photoinitiator 184, a photoinitiator TPO and a photoinitiator 819; the mass ratio of the photoinitiator 184 to the photoinitiator TPO to the photoinitiator 819 is (2.8-3.2): 1:0.5.
By adopting the technical scheme, the light is completely absorbed at the position of 395nm of the wavelength, the problems of deep curing and yellowing resistance are solved, and the ultraviolet aging resistance effect and the yellowing resistance effect are better.
Preferably, the wetting dispersant is DISPERBYK-111; the polymer dispersant is EFKA-4010; the defoaming agent is TEGO-920; the acrylic acid leveling agent is BYK-358N; the rheological additive is BYK-405.
Through improving the selection of optimizing the auxiliary agent, improve the painting coating weight, viscosity, the surface tension of system of this application, give fine paint film stability, fabulous wide tolerance, the roughness of this application. The assistant, the leveling agent and the dispersing agent used in the patent do not have special hydrophilic and lipophilic structures in the linear resin which is mixed and dissolved in a coating system in a limited way, so that the leveling agent migrates to the surface of the coating, and the wetting and leveling agent enrichment synergism is realized under the action of the high-humidity resin body, thereby promoting the film to be plump and flat.
Preferably, the inorganic filler is at least one of titanium dioxide BLR895 matched with 1250-1500 meshes of talcum powder, 1250-1500 meshes of barium sulfate, 1250-2000 meshes of superfine calcium carbonate and fumed silica.
Through adopting above-mentioned technical scheme, can be so that inorganic filler homodisperse in this application system, improve the mechanical strength of this application, the polishing nature of dry film, covering power performance.
In a second aspect, the preparation method of the 55-thread UV laser roller coating white primer provided by the application is realized by the following technical scheme:
a preparation method of 55-thread UV laser roller coating white primer comprises the following steps:
step one, stirring the acrylic resin composition for 4-8min at a speed of 600-800r/min, and uniformly mixing;
step two, adding a wetting dispersant, a high molecular dispersant, a defoaming agent, an acrylic flatting agent, a rheological additive and a photoinitiator into the acrylic resin composition uniformly mixed in the step one, adjusting the rotating speed to 1200-1500r/min, and stirring for 10-15min;
step three, adding inorganic filler into the mixture obtained in the step two, adjusting the rotating speed to 1200-1500r/min, stirring for 40-60min, and uniformly mixing;
step four, adding hydroxyethyl methacrylate into the mixture obtained in the step three, adjusting the rotating speed to 1200-1500r/min, stirring for 4-8min, and uniformly mixing; and obtaining the finished product 55 thread UV laser roller coating white primer.
By adopting the technical scheme, the preparation process is relatively simple and is convenient for industrial mass production.
In summary, the present application has the following advantages:
1. this application is mainly to the product of dull and stereotyped timber and big board in the cabinet carry out the roller coat, have that outstanding construction wide tolerance is good, the levelling is better, and the roller coat does not have the wire drawing, tends to mirror surface effect performance, and paint film stability is good, the roughness is better.
2. Compared with the traditional PU \ PE \ NC process and performance, the application of the 55-thread laser roller coating white primer greatly reduces the labor problem, has good safety of a sustainable coating production scheme, meets the customer demand, can improve the economic benefit and reduces the production rework cost.
3. This application is through selecting excellent photocuring resin, monomer, initiation system's reasonable collocation, prepare the leveling nature that is close to traditional coating, the spraying white priming paint of fullness and surface decoration performance, make this coating satisfy 55 radium-shine roller construction completely through using up-to-date rheology technique, better leveling nature and excellent fullness have, possess outstanding adhesive force simultaneously, resistant yellow stain, physical properties such as polishing, and satisfy modern industry 4.0's construction method and friendly environmental protection performance, make this application product can replace traditional coating completely in being fairly the work piece, very huge market prospect has.
Detailed Description
The present application will be described in further detail with reference to comparative examples and examples.
Hexanediol diacrylate HDDA (CAS: 13048-33-4, hippon Long Hair science and technology materials, inc., guangdong). Difunctional urethane acrylate resin CR90156, CAS, a new material ltd, guangdong haohao: 113669-95-7. The specially modified acrylate resin LT-4036, changsha Guangxin New Material science and technology Co., ltd, CAS:25035-69-2. Neopentyl glycol diacrylate PO-NPGDA, changxing chemical industries, inc., CAS:2223-82-7.
Examples
Example 1
The 55-thread UV laser roller coating white primer is prepared from the following raw materials in parts by weight:
20 parts of acrylic resin composition is bisphenol A type epoxy acrylate SM6105-80D;
7 parts of a difunctional urethane acrylate resin CR 90156;
3 parts of special modified acrylate resin LT-4036;
5 parts trimethylolpropane triacrylate TMPTA;
0.5 part of phosphate acrylate HC5110;
15 parts of propoxylated neopentyl glycol diacrylate PO-NPGDA;
0.5 part of wetting dispersant DISPERBYK-111;
0.5 part of high molecular dispersant EFKA-4010;
0.1 part of defoaming agent TEGO-920;
0.3 part of acrylic acid flatting agent BYK-358N;
0.1 part of rheological additive BYK-405;
3 parts of a photoinitiator 184;
1 part of photoinitiator TPO;
0.5 parts of photoinitiator 819;
25 parts of titanium dioxide BLR895;
15 parts of 1250-mesh talcum powder 268A
3.5 parts of hydroxyethyl methacrylate HEMA.
A preparation method of 55-thread UV laser roller coating white primer comprises the following steps:
placing 2000g of acrylic resin composition which is bisphenol A epoxy acrylate SM6105-80D, 700g of difunctional urethane acrylate resin CR90156, 300g of special modified acrylate resin LT-4036, 500g of trimethylolpropane triacrylate TMPTA, 50g of phosphate acrylate HC5110 and 1500g of hexanediol diacrylate HDDA in a stirring kettle, stirring for 5min at the speed of 600r/min, and uniformly mixing for later use;
step two, adding 50g of wetting dispersant DISPERBYK-111, 50g of high molecular dispersant EFKA-4010, 10g of defoamer TEGO-920, 30g of acrylic flatting agent BYK-358N, 10g of rheological additive BYK-405 and 300g of photoinitiator 184 into the acrylic resin composition uniformly mixed in the step one; 100g of photoinitiator TPO;50g of photoinitiator 819, the rotating speed is adjusted to 1400r/min, and the mixture is stirred for 10min;
adding 2500g of titanium dioxide BLR895 and 1500g of 1250-mesh talcum powder 268A into the mixture obtained in the step two, adjusting the rotating speed to 1400r/min, stirring for 45min, and uniformly mixing;
step four, adding 350g of hydroxyethyl methacrylate into the mixture obtained in the step three, adjusting the rotating speed to 1200r/min, stirring for 5min, and uniformly mixing; obtaining a finished product 55 thread UV laser roller coating white primer, and carrying out QC detection on the obtained finished product, wherein the QC detection comprises viscosity, fineness and density; the observation surface of the 100 micron paperboard has no shrinkage cavities and particles; dryness, hardness, sanding property and adhesion; a100-micron wet film preparation device is coated on a primer plate in a scraping mode to preliminarily observe surface smoothness and fullness.
Example 2
Example 2 differs from example 1 in that:
the 55-thread UV laser roller coating white primer is prepared from the following raw materials in parts by weight:
15 parts of the acrylic resin composition is bisphenol A type epoxy acrylate SM6105-80D;
10 parts of a difunctional urethane acrylate resin CR 90156;
5 parts of special modified acrylate resin LT-4036;
5 parts trimethylolpropane triacrylate TMPTA;
0.5 part of phosphate acrylate HC5110;
15 parts of propoxylated neopentyl glycol diacrylate PO-NPGDA;
0.5 part of wetting dispersant DISPERBYK-111;
0.5 part of high molecular dispersant EFKA-4010;
0.1 part of defoaming agent TEGO-920;
0.3 part of acrylic acid flatting agent BYK-358N;
0.1 part of rheological additive BYK-405;
3 parts of a photoinitiator 184;
1 part of photoinitiator TPO;
0.5 parts of photoinitiator 819;
25 parts of titanium dioxide BLR895;
15 parts of 1250 mesh talcum powder 268A
3.5 parts of hydroxyethyl methacrylate HEMA.
Example 3
Example 3 differs from example 1 in that:
a55-thread UV laser roller coating white primer is prepared from the following raw materials in parts by weight:
12 parts of acrylic resin composition is bisphenol A type epoxy acrylate SM6105-80D;
15 parts of a difunctional urethane acrylate resin CR 90156;
3 parts of special modified acrylate resin LT-4036;
5 parts trimethylolpropane triacrylate TMPTA;
0.5 part of phosphate acrylate HC5110;
15 parts of propoxylated neopentyl glycol diacrylate PO-NPGDA;
0.5 part of wetting dispersant DISPERBYK-111;
0.5 part of high molecular dispersant EFKA-4010;
0.1 part of defoaming agent TEGO-920;
0.3 part of acrylic acid flatting agent BYK-358N;
0.1 part of rheological additive BYK-405;
3 parts of a photoinitiator 184;
1 part of photoinitiator TPO;
0.5 parts of photoinitiator 819;
25 parts of titanium dioxide BLR895;
15 parts of 1250 mesh talcum powder 268A
3.5 parts of hydroxyethyl methacrylate HEMA.
Example 4
Example 4 differs from example 1 in that:
the 55-thread UV laser roller coating white primer is prepared from the following raw materials in parts by weight:
7 parts of acrylic resin composition is bisphenol A type epoxy acrylate SM6105-80D;
16 parts of a difunctional urethane acrylate resin CR 90156;
7 parts of special modified acrylate resin LT-4036;
5 parts trimethylolpropane triacrylate TMPTA;
0.5 part of phosphate acrylate HC5110;
15 parts of propoxylated neopentyl glycol diacrylate PO-NPGDA;
0.5 part of wetting dispersant DISPERBYK-111;
0.5 part of polymeric dispersant EFKA-4010;
0.1 part of defoaming agent TEGO-920;
0.3 part of acrylic acid flatting agent BYK-358N;
0.1 part of rheological additive BYK-405;
3 parts of a photoinitiator 184;
1 part of photoinitiator TPO;
0.5 parts of photoinitiator 819;
25 parts of titanium dioxide BLR895;
15 parts of 1250-mesh talcum powder 268A
3.5 parts of hydroxyethyl methacrylate HEMA.
Comparative example
Comparative example 1
Comparative example 1 differs from example 1 in that:
a55-thread UV laser roller coating white primer is prepared from the following raw materials in parts by weight:
20 parts of acrylic resin composition is bisphenol A type epoxy acrylate SM6105-80D;
7 parts of a difunctional urethane acrylate resin CR 90156;
3 parts of special modified acrylate resin LT-4036;
5 parts trimethylolpropane triacrylate TMPTA;
0.5 part of phosphate acrylate HC5110;
15 parts of hexanediol diacrylate HDDA;
0.5 part of wetting dispersant DISPERBYK-111;
0.5 part of high molecular dispersant EFKA-4010;
0.1 part of defoamer TEGO-920;
0.3 part of acrylic acid flatting agent BYK-358N;
0.1 part of rheological additive BYK-405;
3 parts of a photoinitiator 184;
1 part of photoinitiator TPO;
0.5 parts of photoinitiator 819;
25 parts of titanium dioxide BLR895;
15 parts of 1250-mesh talcum powder 268A
3.5 parts of hydroxyethyl methacrylate HEMA.
Comparative example 2
Comparative example 2 differs from example 2 in that:
the 55-thread UV laser roller coating white primer is prepared from the following raw materials in parts by weight:
22 parts of acrylic resin composition is bisphenol A type epoxy acrylate SM6105-80D;
3 parts of a difunctional urethane acrylate resin CR 90156;
5 parts of special modified acrylate resin LT-4036;
5 parts trimethylolpropane triacrylate TMPTA;
0.5 part of phosphate acrylate HC5110;
15 parts of hexanediol diacrylate HDDA;
0.5 part of a wetting dispersant DISPERBYK-111;
0.5 part of high molecular dispersant EFKA-4010;
0.1 part of defoaming agent TEGO-920;
0.3 part of acrylic acid flatting agent BYK-358N;
0.1 part of rheological additive BYK-405;
3 parts of a photoinitiator 184;
1 part of photoinitiator TPO;
0.5 parts of photoinitiator 819;
25 parts of titanium dioxide BLR895;
15 parts of 1250-mesh talcum powder 268A
3.5 parts of hydroxyethyl methacrylate HEMA.
Comparative example 3
Comparative example 3 differs from example 1 in that: hexanediol diacrylate HDDA was replaced with propyleneoxide neopentyl glycol diacrylate PO-NPGDA.
Comparative example 4
Comparative example 4 differs from example 1 in that: no specially modified acrylate resin LT-4036 is added in the formula. The specific formula is as follows:
the 55-thread UV laser roller coating white primer is prepared from the following raw materials in parts by weight:
21 parts of acrylic resin composition is bisphenol A type epoxy acrylate SM6105-80D;
9 parts of a difunctional urethane acrylate resin CR 90156;
5 parts trimethylolpropane triacrylate TMPTA;
0.5 part of phosphate acrylate HC5110;
15 parts of hexanediol diacrylate HDDA;
0.5 part of wetting dispersant DISPERBYK-111;
0.5 part of high molecular dispersant EFKA-4010;
0.1 part of defoaming agent TEGO-920;
0.3 part of acrylic acid flatting agent BYK-358N;
0.1 part of rheological additive BYK-405;
3 parts of a photoinitiator 184;
1 part of photoinitiator TPO;
0.5 parts of photoinitiator 819;
25 parts of titanium dioxide BLR895;
15 parts of 1250-mesh talcum powder 268A
3.5 parts of hydroxyethyl methacrylate HEMA.
Comparative example 5
Comparative example 5 differs from example 1 in that: the formulation did not contain the difunctional urethane acrylate resin CR 90156. The specific formula is as follows: the 55-thread UV laser roller coating white primer is prepared from the following raw materials in parts by weight:
23 parts of the acrylic resin composition is bisphenol A type epoxy acrylate SM6105-80D;
7 parts of special modified acrylate resin LT-4036;
5 parts trimethylolpropane triacrylate TMPTA;
0.5 part of phosphate acrylate HC5110;
15 parts of hexanediol diacrylate HDDA;
0.5 part of wetting dispersant DISPERBYK-111;
0.5 part of high molecular dispersant EFKA-4010;
0.1 part of defoaming agent TEGO-920;
0.3 part of acrylic acid flatting agent BYK-358N;
0.1 part of rheological additive BYK-405;
3 parts of a photoinitiator 184;
1 part of photoinitiator TPO;
0.5 parts of photoinitiator 819;
25 parts of titanium dioxide BLR895;
15 parts of 1250-mesh talcum powder 268A
3.5 parts of hydroxyethyl methacrylate HEMA.
Comparative example 6
Comparative example 6 differs from example 1 in that: neopentyl glycol diacrylate PO-NPGDA was replaced by tripropylene glycol diacrylate TPGDA. The specific formula is as follows: a55-thread UV laser roller coating white primer is prepared from the following raw materials in parts by weight:
20 parts of acrylic resin composition is bisphenol A type epoxy acrylate SM6105-80D;
7 parts of a difunctional urethane acrylate resin CR 90156;
3 parts of special modified acrylate resin LT-4036;
5 parts trimethylolpropane triacrylate TMPTA;
0.5 part of phosphate acrylate HC5110;
15 parts of tripropylene glycol diacrylate TPGDA;
0.5 part of wetting dispersant DISPERBYK-111;
0.5 part of high molecular dispersant EFKA-4010;
0.1 part of defoamer TEGO-920;
0.3 part of acrylic acid flatting agent BYK-358N;
0.1 part of rheological additive BYK-405;
3 parts of a photoinitiator 184;
1 part of photoinitiator TPO;
0.5 parts of photoinitiator 819;
25 parts of titanium dioxide BLR895;
15 parts of 1250-mesh talcum powder 268A
3.5 parts of hydroxyethyl methacrylate HEMA.
Performance test
Detection method/test method
1. The viscosity measurement is in accordance with GB/T9751-1988.
2. The fineness measurement is according to GB/T6753.1-2007.
3. The adhesion detection is according to GB/T9286-98.
4. The workability was as per 5.4.7 and GB18581-2020 in HG/T3655-2012.
5. The storage stability was according to 5.4.4 in HG/T3655-2012 and GB18581-2020.
Data analysis
Table 1 shows the measured parameters of examples 1 to 4 and comparative example 3
Note: in the above fluidity and fullness tests, the value of 5 is the best, and 1 is the worst.
Table 2 shows the measurement parameters of comparative examples 1 to 2 and comparative examples 4 to 6
Note: in the above fluidity and fullness tests, the value of 5 is the best, and 1 is the worst.
As can be seen by combining examples 1-4 and comparative examples 1-6 and combining tables 1-2, the comparison result of example 1 and comparative example 1 shows that the fullness and storage stability of comparative example 1 are lower than those of example 1, and the storage stability of examples 1-4 is better than that of comparative example 1 and comparative example 6, therefore, the special modified acrylate resin LT-4036, the wetting polyester acrylate resin CR90156 and the propoxylated neopentyl glycol diacrylate PO-NPGDA monomer are adopted, the overall special structural acrylic resin is taken as the main resin, the monomer with static surface tension is added into the system to adjust the viscosity of the system, the wetting dispersant and the inorganic filler are added to prepare a 55-thread roller coating white base, the beam feeding at different temperatures and different coating line numbers is simulated, and the repeated cycle test shows good paint film stability, excellent broad tolerance, flatness and sanding effect of light sand. In addition, the cycle test (coating weight is controlled at 35-45 g/m) 2 ) The medium HDDA monomer occasionally has a wire drawing phenomenon, the tripropylene glycol diacrylate TPGDA monomer also occasionally has a wire drawing phenomenon, and the PO-NPGDA monomer does not draw wires, so that the PO-NPGDA monomer has the best comprehensive properties of full flatness, fluidity, no wire drawing and the like of a paint film.
Combining examples 1-4 and comparative examples 1-6 with tables 1-2, it can be seen that the combination of the properties of examples 5-6 is best, the flow and fullness in examples 5-6 are better than those of examples 1-2 and comparative examples 1-2, and the viscosity of examples 5-6 is lower than those of examples 1-2 and comparative examples 1-2, thus examples 5-6 are the preferred embodiment of the present application.
Combining examples 1-4 and comparative examples 1-6 with tables 1-2, it can be seen that the overall performance of example 6 is best better than example 5, and that the flow and fullness of example 6 are even better, and thus example 6 is the best embodiment of the present application.
As can be seen by combining examples 1-4 and comparative examples 1-6 and by combining tables 1-2, the flowability and fullness of comparative example 4 are lower than those of example 1 in comparison with comparative example 4, and the flowability and workability of comparative example 5 are deteriorated and the construction performance is hindered in comparison with comparative example 1 and comparative example 5, so that the use of the special modified acrylate resin LT-4036 in combination with the wetting polyester acrylate resin CR90156 imparts the application with extremely strong dynamic flowability and paint film fullness.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (9)
1. The utility model provides a 55 radium-shine roller coat white priming paint of screw thread UV which characterized in that: the feed is mainly prepared from the following raw materials in parts by weight: 48-52 parts of acrylic resin composition, 0.4-0.6 part of wetting dispersant, 0.4-0.6 part of macromolecular dispersant, 0.08-0.12 part of defoaming agent, 0.3-0.35 part of acrylic leveling agent, 0.08-0.12 part of rheological additive, 4.4-4.6 parts of photoinitiator, 38-42 parts of inorganic filler and 3.2-3.6 parts of hydroxyethyl methacrylate; the acrylic resin composition mainly comprises bisphenol A epoxy acrylate SM6105-80D, difunctional urethane acrylate resin CR90156, special modified acrylate resin LT-4036, trimethylolpropane triacrylate, phosphate acrylate and propoxylated neopentyl glycol diacrylate.
2. The 55-thread UV laser roll coating white primer according to claim 1, characterized in that: the acrylic resin composition is composed of bisphenol A epoxy acrylate SM6105-80D, difunctional urethane acrylate resin CR90156, special modified acrylate resin LT-4036, trimethylolpropane triacrylate TMPTA, phosphate acrylate HC5110 and propoxylated neopentyl glycol diacrylate PO-NPGDA.
3. The 55-thread UV laser roll coating white primer according to claim 2, characterized in that: the mass ratio of the bisphenol A type epoxy acrylate SM6105-80D, the difunctional urethane acrylate resin CR90156, the special modified acrylate resin LT-4036, the trimethylolpropane triacrylate TMPTA, the phosphate acrylate HC5110 and the propoxylated neopentyl glycol diacrylate PO-NPGDA is (14-30): (20-32): (6-14): 10:1:30.
4. the white primer for 55-thread UV laser roller coating of claim 3, which is characterized in that: the mass ratio of the bisphenol A type epoxy acrylate SM6105-80D, the difunctional urethane acrylate resin CR90156, the special modified acrylate resin LT-4036, the trimethylolpropane triacrylate TMPTA, the phosphate acrylate HC5110 and the propoxylated neopentyl glycol diacrylate PO-NPGDA is (14-24): (30-32): (6-14): 10:1:30.
5. the 55-thread UV laser roll coating white primer according to claim 3 or 4, characterized in that: the mass ratio of bisphenol A type epoxy acrylate SM6105-80D, difunctional urethane acrylate resin CR90156, special modified acrylate resin LT-4036, trimethylolpropane triacrylate TMPTA, phosphate acrylate HC5110 and propoxylated neopentyl glycol diacrylate PO-NPGDA is 14:32:14:10:1:30.
6. the 55-thread UV laser roll coating white primer according to claim 1 or 3, characterized in that: the photoinitiator consists of a photoinitiator 184, a photoinitiator TPO and a photoinitiator 819; the mass ratio of the photoinitiator 184 to the photoinitiator TPO to the photoinitiator 819 is (2.8-3.2): 1:0.5.
7. The white primer for 55-thread UV laser roller coating of claim 1 or 4, which is characterized in that: the wetting dispersant is DISPERBYK-111; the polymer dispersant is EFKA-4010; the defoaming agent is TEGO-920; the acrylic acid leveling agent is BYK-358N; the rheological additive is BYK-405.
8. The 55-thread UV laser roll coating white primer according to claim 1, characterized in that: the inorganic filler is at least one of titanium dioxide BLR895 matched with 1250-1500 mesh talcum powder, 1250-1500 mesh barium sulfate, 1250-2000 mesh superfine calcium carbonate and fumed silica.
9. The method for preparing the 55-thread UV laser roller coating white primer according to any one of claims 1 to 8, wherein the method comprises the following steps: the method comprises the following steps:
step one, stirring the acrylic resin composition for 4-8min at a speed of 600-800r/min, and uniformly mixing;
step two, adding a wetting dispersant, a high molecular dispersant, a defoaming agent, an acrylic flatting agent, a rheological additive and a photoinitiator into the acrylic resin composition uniformly mixed in the step one, adjusting the rotating speed to 1200-1500r/min, and stirring for 10-15min;
step three, adding inorganic filler into the mixture obtained in the step two, adjusting the rotating speed to 1200-1500r/min, stirring for 40-60min, and uniformly mixing;
step four, adding hydroxyethyl methacrylate into the mixture obtained in the step three, adjusting the rotating speed to 1200-1500r/min, stirring for 4-8min, and uniformly mixing; and obtaining the finished product 55 thread UV laser roller coating white primer.
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